Quick facts
- Brand
- Siemens
- Part number
- 3TY7-540-0A
- Condition
- New
- Category
- Drives & Motor Control
Product tags
Siemens 3TY7 Auxiliary Contact Block 4NO | 3TY7-540-0A
Siemens 3TY7-540-0A auxiliary contact block designed for use with 3TF and 3TH series contactors. Features 4 normally open contacts for control circuit applications.
The Siemens 3TY7-540-0A is a high-quality auxiliary contact block engineered for reliable control circuit applications in industrial automation systems. This contact block is specifically designed to mount on Siemens 3TF and 3TH series contactors, providing additional switching contacts for control and signaling purposes.
Built with Siemens' proven contact technology, this auxiliary block delivers dependable performance in demanding industrial environments. The compact design allows for easy installation and integration into existing control panels while maintaining optimal space utilization. Each contact is rated for control circuit voltages and provides clean switching action for reliable signal transmission.
Catalog pricing
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Product overview
The 3TY7-540-0A features silver alloy contacts that resist welding and provide long operational life even under frequent switching conditions. The modular design allows for flexible system configuration, enabling engineers to customize their contactor assemblies according to specific application requirements.
This auxiliary contact block meets international standards for industrial control equipment and is backed by Siemens' reputation for quality and reliability in automation components. Ideal for use in motor control applications, industrial machinery, and process automation systems where additional control contacts are required.
Specifications
- Contact Configuration
- 4 NO (Normally Open)
- Contact Rating
- 6A at 230V AC (control circuits)
- Operating Temperature
- -25°C to +70°C
- Storage Temperature
- -55°C to +80°C
- Mechanical Durability
- 30 million operations
- Electrical Durability
- 1 million operations at rated load
- Contact Material
- Silver alloy
- Mounting
- Side mount on contactor
- Insulation Voltage
- 690V
- Pollution Degree
- 3
- Protection Class
- IP20
Key features
- 4 normally open auxiliary contacts
- Compatible with 3TF and 3TH series contactors
- Silver alloy contacts for extended service life
- Compact modular design for space-efficient installation
- Rated for control circuit applications
- International standards compliance
Part number breakdown
3TY7 = Auxiliary contact block series
540 = 4 normally open contacts configuration
0A = Standard version, no special options
Why buy from Z Power Electric
- Independent Sourcing — We source through independent channels to find parts others can't.
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